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// The functionality of the standard library is becoming increasingly
// important in Zig. On the one hand, it is helpful to look at how
// the individual functions are implemented. Because this is wonderfully
// suitable as a template for your own functions. On the other hand,
// these standard functions are part of the basic equipment of Zig.
// This means that they are always available on every system.
// Therefore it is worthwhile to deal with them also in Ziglings.
// It's a great way to learn important skills. For example, it is
// often necessary to process large amounts of data from files.
// And for this sequential reading and processing, Zig provides some
// useful functions, which we will take a closer look at in the coming
// A nice example of this has been published on the Zig homepage,
// replacing the somewhat dusty 'Hello world!
// Nothing against 'Hello world!', but it just doesn't do justice
// to the elegance of Zig and that's a pity, if someone takes a short,